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/*
* xNBD - an enhanced Network Block Device program
*
* Copyright (C) 2008-2014 National Institute of Advanced Industrial Science
* and Technology
*
* Author: Takahiro Hirofuchi <t.hirofuchi _at_ aist.go.jp>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "common.h"
#define _GNU_SOURCE
#include <unistd.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <syslog.h>
#if 0
static pid_t mygettid(void)
{
return syscall(SYS_gettid);
}
#endif
#include <sys/prctl.h>
#include <stdlib.h>
#define ALERT_LEVELS (G_LOG_LEVEL_ERROR | G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_WARNING)
int syslog_level(int glib_log_level)
{
int level = LOG_INFO;
switch (glib_log_level & G_LOG_LEVEL_MASK)
{
case G_LOG_LEVEL_CRITICAL:
level = LOG_CRIT;
break;
case G_LOG_LEVEL_ERROR:
level = LOG_ERR;
break;
case G_LOG_LEVEL_WARNING:
level = LOG_WARNING;
break;
case G_LOG_LEVEL_MESSAGE:
level = LOG_NOTICE;
break;
case G_LOG_LEVEL_INFO:
level = LOG_INFO;
break;
case G_LOG_LEVEL_DEBUG:
level = LOG_DEBUG;
break;
default:
level = LOG_CRIT;
}
return level | LOG_DAEMON;
}
void custom_log_handler(const gchar *log_domain, GLogLevelFlags log_level,
const gchar *message, gpointer data)
{
struct custom_log_handler_params *params = data;
GString *gstring = g_string_new(NULL);
/* we may not call _any_ GLib functions here */
{
char *header = getenv("LOG_HEADER");
if (header)
g_string_append(gstring, header);
}
{
char name[20];
int ret = prctl(PR_GET_NAME, (unsigned long) name);
if (ret < 0)
err("PR_GET_NAME, %m");
g_string_append(gstring, name);
}
g_string_append(gstring, "(");
{
pid_t pid = getpid();
pid_t tid = syscall(SYS_gettid);
if (pid == tid)
g_string_append_printf(gstring, "%d", pid);
else
g_string_append_printf(gstring, "%d.%d", pid, tid);
}
g_string_append(gstring, ") ");
if (log_domain) {
g_string_append(gstring, log_domain);
g_string_append(gstring, ">");
}
switch (log_level & G_LOG_LEVEL_MASK)
{
case G_LOG_LEVEL_ERROR:
g_string_append(gstring, "ERR");
break;
case G_LOG_LEVEL_CRITICAL:
g_string_append(gstring, "CRIT");
break;
case G_LOG_LEVEL_WARNING:
g_string_append(gstring, "WARN");
break;
case G_LOG_LEVEL_MESSAGE:
g_string_append(gstring, "msg");
break;
case G_LOG_LEVEL_INFO:
g_string_append(gstring, "info");
break;
case G_LOG_LEVEL_DEBUG:
g_string_append(gstring, "dbg");
break;
default:
g_string_append(gstring, "log");
break;
}
if (log_level & G_LOG_FLAG_RECURSION)
g_string_append(gstring, " (recursed)");
g_string_append(gstring, ": ");
//if (log_level & ALERT_LEVELS)
// g_string_append(gstring, "** ");
if (message)
g_string_append(gstring, message);
else
g_string_append(gstring, "(NULL) message");
gboolean is_fatal = (log_level & G_LOG_FLAG_FATAL) != 0;
if (is_fatal)
g_string_append(gstring, "\naborting...\n");
else
g_string_append(gstring, "\n");
//struct xnbd_info *xnbd = (struct xnbd_info *) data;
//printf("%d %d\n", gstring->len, strlen(gstring->str));
if (params) {
if (params->use_syslog)
syslog(syslog_level(log_level), "%s", gstring->str);
if (params->use_fd) {
g_assert(params->fd != -1);
write(params->fd, gstring->str, gstring->len);
}
} else {
/* compatibility for the past */
write(2, gstring->str, gstring->len);
}
g_string_free(gstring, TRUE);
}
#include <sys/prctl.h>
#include <string.h>
void set_process_name(const char *name)
{
char comm[16];
strncpy(comm, name, sizeof(comm));
int ret = prctl(PR_SET_NAME, (unsigned long) comm, 0l, 0l, 0l);
if (ret < 0)
warn("set_name %m");
}
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